A field trial of Hong Kong-strain influenza vaccine in Seattle schoolchildren.
D002648:Child; D006801:Humans; D007252:Influenza Vaccines / Q000009:adverse effects / Q000627:therapeutic use*; D007251:Influenza, Human / Q000517:prevention & control*; D012572:School Health Services; D014611:Vaccination / Q000009:adverse effects; D014861:Washington
D007252:Influenza Vaccines